Photosynthesis & Cell Respiration

Question 1

What is the main energy molecule?

Answer 1

atp

Question 2

What is the full name of ATP?

Answer 2

adenosine triphosphate

Question 3

what are the parts an ATP?

Answer 3

• adenosine
• ribose
• 3 phosphates

Question 4

What is created when you disconnect the 3rd phosphate from an ATP

Answer 4

adp

Question 5

Besides creating ADP, what is the purpose of disconnecting a phosphate from an ATP molecule?

Answer 5

the reaction creates the energy necessary to power almost all energy-requiring activities

Question 6

Describe ATP and Glucose’s storage patterns.

Answer 6

• bad for long term storage
• often stored in glucose
• glucose holds 90x the energy of atp

Question 7

What are the ingeredients for gluscose?

Answer 7

sunlight, water, carbon-dioxide

Question 8

What is chlorophyll?

Answer 8

a special pigment that has many electrons - easily excited by sunlight

Question 9

Where do light-independent reactions happen?

Answer 9

stroma

Question 10

Where do light-dependent reactions happen?

Answer 10

granum/thylakoids

Question 11

What is a thylakoid?

Answer 11

green membrane containing chlorophyll

Question 12

What is a granum?

Answer 12

a stack of thylakoids

Question 13

What is stroma?

Answer 13

the fluid granums float in

Question 14

What does NAPDH do?

Answer 14

carries excited electrons from dep to indep reaction areas (thylakoids to stroma)

Question 15

What does into and comes out of the granum?

Answer 15

water in

oxygen out

Question 16

What goes into and comes out of the light-independent area?

Answer 16

carbon-dioxide in

glucose out

Question 16

What goes into and comes out of the light-dependent area?

Answer 16

water in

oxygen out

Question 16

ADP(+P) and NADPH+ travel from ________ to ________.

Answer 16

stroma to granum

Question 17

ATP and NADPH travel from ________ to ________.

Answer 17

granum to stroma

Question 17

What goes into and comes out of the stroma?

Answer 17

carbon-dioxide in

glucose out

Question 18

What are the reactants in light-dependent reactions?

Answer 18

water, adp+p, nadp+

Question 19

What are the products in light-dependent reactions?

Answer 19

atp, nadph, oxygen

Question 20

What are the reactants in light-independent reactions?

Answer 20

atp, nadph, carbon-dioxide

Question 21

What are the products in light-independent reactions?

Answer 21

glucose, adp+p, nadp+

Question 22

What is the FIRST step of light-independent reactions?

Answer 22

rubp takes co2 from the air

Question 23

What is the SECOND step of light-independent reactions?

Answer 23

rearange co2 molecules into 3-carbon molecules

Question 24

What is the THIRD step of light-independent reactions?

Answer 24

some carbons are made into glucose

Question 25

What is the FOURTH step of light-independent reactions?

Answer 25

co2 is recycles into rubp

Question 26

What is cell respiration?

Answer 26

how orgranisms turn glucose into atp

Question 27

What are the three sets of reactions in cell respiration?

Answer 27

- glycolysis - krebs cycle - electron transport chain

Question 28

What is the overall purpose of glycolysis?

Answer 28

to split glucose into two pyruvic acids

Question 29

Which cells do glycolysis? What trait allows this to be possible?

Answer 29

all of them - does not reqire o2

Question 30

What are the reactants and products of glycolysis?

Answer 30

reactants: glucose, 2 atp, 2 nad+, 4 adp+p products: 2 pyruvic acids, 2 nadh, 4 atp, 2 h2o

Question 31

What is the purpose of the Krebs Cycle?

Answer 31

break pyruvic acid into co2

Question 32

What are the reactants and products of krebs cycle?

Answer 32

reactants: pyruvic acid, fad, nad+, adp+p products, co2, fadh2 , nadh, atp

Question 33

What is sent to the etc after the krebs?

Answer 33

nadh + fadh2

Question 34

What does the electron transport chain do?

Answer 34

to move electrons given off of nadh + fadh2

Question 35

What stops the electron tc from getting clogged? how? what is the formula?

Answer 35

- oxygen flowing around - takes extra electrons - o2 + 4h+ + 4e- > 2h2o

Question 36

What are the reactants and products of the ETC?

Answer 36

reactants: nadh, fadh2, o2, adp+p products: atp, h2o, nad+, fad

Question 37

When does fermentation take place?

Answer 37

when there is no oxygen

Question 38

what are the 2 different types of fermentation?

Answer 38

alcohol fermentation and lactic acid fermentation

Question 39

what are the reactcants of fermentation?

Answer 39

pyruvate + nadh

Question 40

what are the products of alcohol fermentation?

Answer 40

ethyl alcohol + co2 + nad+

Question 41

what are the products of lactic acid fermentation?

Answer 41

lactic acid + nad+

Question 42

where/when does alcohol fermentation occur?

Answer 42

- in fungi and bacteria

Question 43

what does lactic acid fermentation do?

Answer 43

- muscle cells do this when doing strenuous exercise - create debt in o2 - enters blood and goes to liver where it is changed back to glucose